Maulidya, M., F. Aryati, and Y. Sastyarina. “Optimasi Formula Spray Gel Ekstrak Bawang Tiwai (Eleutherine Americana (Aubl) Merr)”. Proceeding of Mulawarman Pharmaceuticals Conferences, Vol. 11, no. 1, Feb. 2020, pp. 11-16, doi:10.25026/mpc.v11i1.386.